think she knew better and if she didn't know better she shouldn't be the voice of america. >> president obama is far from conceding defeat. channeling his own inner mama grizzly. he bears his teeth. >> i'm the president. and i'm always responsible. the suggestion that anybody in my team, whether secretary of state, or u.n. ambassador, anybody on my team, would play politics or mislead when we've lost four of our own, governor, is offensive. >> yesterday, the claws were out. >> if senator mccain and senator graham and others want to go after somebody, they should go after me. and i'm happy to have that discussion with them. but for them to go after the u.n. ambassador who had nothing to do with benghazi, and was simply making a presentation based on intelligence that she had received and besmirch her reputation is outrageous. >> the president isn't the only one on defense. susan collins said that mccain did not attend his classified briefing on benghazi yesterday. mccain's office tells nbc news that was the result of a quote, schedule error and that he would have otherwise attended. collins al